Cypress NoBL CY7C1470BV25 User Manual download pdf (Page 17)

CY7C1470BV25

CY7C1472BV25, CY7C1474BV25

Document #: 001-15032 Rev. *D Page 17 of 29

Table 8. Identification Codes

Instruction Code Description

EXTEST 000 Captures IO ring contents. Places the boundary scan register between TDI and TDO.

Forces all SRAM outputs to High-Z state. This instruction is not 1149.1-compliant.

IDCODE 001 Loads the ID register with the vendor ID code and places the register between TDI and TDO. This

operation does not affect SRAM operations.

SAMPLE Z 010 Captures IO ring contents. Places the boundary scan register between TDI and TDO.

Forces all SRAM output drivers to a High-Z state.

RESERVED 011 Do Not Use: This instruction is reserved for future use.

SAMPLE/PRELOAD 100 Captures IO ring contents. Places the boundary scan register between TDI and TDO.

Does not affect SRAM operation. This instruction does not implement 1149.1 preload function and

is therefore not 1149.1-compliant.

RESERVED 101 Do Not Use: This instruction is reserved for future use.

RESERVED 110 Do Not Use: This instruction is reserved for future use.

BYPASS 111 Places the bypass register between TDI and TDO. This operation does not affect SRAM operations.

Table 9. Boundary Scan Exit Order (2M x 36)

Bit # 165-Ball ID Bit # 165-Ball ID Bit # 165-Ball ID Bit # 165-Ball ID

1C121R341J1161B7

2D1 22P2 42K10 62B6

3E1 23R4 43J10 63A6

4D2 24P6 44H11 64B5

5E2 25R6 45G11 65A5

6F1 26R8 46F11 66A4

7G1 27P3 47E11 67B4

8 F2 28 P4 48 D10 68 B3

9G2 29P8 49D11 69A3

10 J1 30 P9 50 C11 70 A2

11 K1 31 P10 51 G10 71 B2

12 L1 32 R9 52 F10

13 J2 33 R10 53 E10

14 M1 34 R11 54 A9

15 N1 35 N11 55 B9

16 K2 36 M11 56 A10

17 L2 37 L11 57 B10

18 M2 38 M10 58 A8

19 R1 39 L10 59 B8

20 R2 40 K11 60 A7

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Cypress NoBL CY7C1470BV25 User Manual Page 17